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| Re: So My Car Failed Emissions... |
Subject: Re: So My Car Failed Emissions...
by bogus on 2009/5/20 14:20:04
it's all about the heat. Even with a working EGR, the heat builds during extended idle. It's heat that creates NOx in the first place.
once the cats start to overheat, all bets are off.
Even a three way cat, like those on my 92, won't kill NOx without the help of a working EGR... or, a cam with appropriate overlap.
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